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Jurnal Teknologi Pertanian
Published by Universitas Brawijaya
ISSN : 14115131     EISSN : 25282794     DOI : -
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Jurnal Teknologi Pertanian diterbitkan oleh Fakultas Teknologi Pertanian Universitas Brawijaya untuk penyebarluasan hasil penelitian yang dilakukan oleh para peneliti dari dalam dan luar Fakultas Teknologi Pertanian Universitas Brawijaya. Jurnal Teknologi Pertanian terbit tiga kali dalam setahun, memuat tulisan hasil penelitian yang termasuk dalam lingkup disiplin ilmu pengetahuan yang terkait dengan Ilmu-ilmu Teknologi Pertanian guna menunjang pengembangan ilmu pengetahuan dan teknologi serta pembangunan nasional.
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Search results for , issue " Vol 3, No 2 (2002)" : 1 Documents clear
Pollution Level Reduction of Tofu Waste Water in Nata de Soya Production (Incubation Time Study) Nisa, Fithri Choirun
Jurnal Teknologi Pertanian Vol 3, No 2 (2002)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The waste from pre and post harvesting may cause environmental problem. This problem need to be solved. The waste water (whey) from tofu production is one of that always be produced in large amount. The objective of this research was to use whey of tofu to produce nata de soya and to reduce environmental pollution by varying incubation time. Total nitrogen, reducing sugar, COD value, and pH were analyzed in initial whey of tofu. Thickness and weight of nata that produced, volume and COD (Chemical Oxygen Demand) value of whey residue were observed after 10, 12, 14, 16, and 18 days. The optimum incubation time for nata production was 14 days with the thickness and the wet weight of nata that produced are 4,75 mm and 24,58 g, respectively and COD reduction 46,22%. These results were derived from 200 ml whey that enriched by sucrose 10% (w/v) and mungbean sprout extract 0,5% (v/v)   Keywords: tofu wastewater, nata de soya, incubation, pollution reduction

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